Finding the Fourth Proportional to 528,770.33, 729,626.07 and 302,372.09
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Solution
The fourth proportional to 528,770.33, 729,626.07 and 302,372.09 is: 417,229.46
Step by Step Solution
- Step 1: Write the proportion equation
528,770.33 : 729,626.07 = 302,372.09 : x - Step 2: Convert to fraction form
528,770.33/729,626.07 = 302,372.09/x - Step 3: Cross multiply
528,770.33x = 729,626.07 × 302,372.09 - Step 4: Simplify right side
528,770.33x = 220,618,562,329.55 - Step 5: Solve for x
x = 220,618,562,329.55/528,770.33 - Step 6: Final answer
x = 417,229.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.